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Finding the Fourth Proportional to 360,615.38, 498,158.25 and 328,296.02

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Solution

The fourth proportional to 360,615.38, 498,158.25 and 328,296.02 is: 453,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,615.38 : 498,158.25 = 328,296.02 : x
  2. Step 2: Convert to fraction form
    360,615.38/498,158.25 = 328,296.02/x
  3. Step 3: Cross multiply
    360,615.38x = 498,158.25 × 328,296.02
  4. Step 4: Simplify right side
    360,615.38x = 163,543,370,805.17
  5. Step 5: Solve for x
    x = 163,543,370,805.17/360,615.38
  6. Step 6: Final answer
    x = 453,511.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.